HELP ME PLEASE WILL MAKE AS BRAINLIES
60 g of vinegar was used in a chemical reaction with baking soda. The total mass of the products is 140 g.
What was the mass of the baking soda?
Select one:
a. 140 g
b. 80 g
c. 60 g
d. 200 g
45 g of vinegar and 60 g of baking soda were used in a chemical reaction.
What is the total mass of the products?
Select one:
a. 105 g
b. 60 g
c. 15 g
d. 45 g
The average mass of 1 baking soda compound is 84 amu. After it reacts with 1 vinegar molecule, the total mass of the products in 144 amu.
Which is the mass of 1 vinegar molecule?
Select one:
a. 144 amu
b. 84 amu
c. 288 amu
d. 60 amu
The average mass of 1 baking soda compound is 84 amu, and 1 vinegar molecule is 60 amu.
What would the mass of the products be after they chemically react?
Select one:
a. 144 amu
b. 24 amu
c. 84 amu
d. 60 amu
According to the law of conservation of matter, which chemical equation represents a possible chemical reaction?
Select one:
a. C2H4O2 + NaHCO3 NaC2H3O2 + H2O + CO2
b. 6CO2 + H2O + energy C6H12O6 + 6O2
c. 2Na + Cl2 NaCl
d. H2O2 H2O + O2
According to the law of conservation of matter, which chemical equation represents a possible chemical reaction?
Select one:
a. 2Na + Cl2 2NaCl
b.
C6H12O6 + 6O2 CaO + CO2
c. 4Fe + 3O2 C6H12O6 + 6O2
d. CaCO3 Fe2O3
Vinegar (C2H4O2) and baking soda (NaHCO3) react to form sodium acetate, water, and carbon dioxide.
C2H4O2 + NaHCO3 ?
How many total carbon atoms are expected in these products?
Select one:
a. 1
b. 2
c. 3
d. 4
Vinegar (C2H4O2) and baking soda (NaHCO3) react to form sodium acetate, water, and carbon dioxide.
C2H4O2 + NaHCO3 ?
How many total oxygen atoms are expected in these products?
Select one:
a. 3
b. 5
c. 4
d. 2
Vinegar and baking soda react to form sodium acetate (NaC2H3O2), water (H2O), and carbon dioxide (CO2).
? NaC2H3O2 + H2O + CO2
How many total sodium (Na) atoms are expected in these reactants?
Select one:
a. 0
b. 1
c. 2
d. 3
Vinegar (C2H4O2) and baking soda (NaHCO3) react to form sodium acetate, water, and carbon dioxide.
? NaC2H3O2 + H2O + CO2
How many total lithium (Li) atoms are expected in these reactants?
Select one:
a. 1
b. 0
c. 3
d. 2
